500 Million Barrels of oil, which makes it the uks largest untapped oil field. But the plan has faced widespread criticism. Last month 50 mps and peers from all major parties raised concerns the oil field could produce 200 Million Tonnes of carbon dioxide. Craig macmahon is Senior Vice President for research at the Energy Consultancy wood mackenzie. Hejoins us from edinburgh. Today we have had a lot about all this controversy all day long. What i want to focus on is the scale of this. Talk me through the size of this. Talk me through the size of this and what it might do for the uk as an oil producer . The this and what it might do for the uk as an oil producer . As an oil producer . The scale of it is not insignificant as an oil producer . The scale of it is not insignificant but as an oil producer . The scale of it is not insignificant but on as an oil producer . The scale of it is not insignificant but on a as an oil producer . The scale of it is not insignificant but on a globali i